252102809858 has 8 divisors (see below), whose sum is σ = 378172013328. Its totient is φ = 126045472084.

The previous prime is 252102809851. The next prime is 252102809863. The reversal of 252102809858 is 858908201252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (252102809851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2913116 + ... + 2998407.

It is an arithmetic number, because the mean of its divisors is an integer number (47271501666).

Almost surely, 2^252102809858 is an apocalyptic number.

252102809858 is a deficient number, since it is larger than the sum of its proper divisors (126069203470).

252102809858 is a wasteful number, since it uses less digits than its factorization.

252102809858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932848.

The product of its (nonzero) digits is 921600, while the sum is 50.

The spelling of 252102809858 in words is "two hundred fifty-two billion, one hundred two million, eight hundred nine thousand, eight hundred fifty-eight".